mirror of
https://github.com/Ku6epXBOCTuK/easy-png-tools.git
synced 2026-09-14 21:46:35 +00:00
108 lines
2.2 KiB
Svelte
108 lines
2.2 KiB
Svelte
<script lang="ts">
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import { ACCEPTED_IMAGE_TYPES } from '$lib/core/io';
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let {
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onFile,
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onError,
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label = 'Перетащите изображение сюда или нажмите, чтобы выбрать файл'
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}: {
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onFile: (file: File) => void;
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onError?: (message: string) => void;
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label?: string;
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} = $props();
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let input = $state<HTMLInputElement | undefined>();
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let dragging = $state(false);
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const acceptedMimes = new Set(ACCEPTED_IMAGE_TYPES.split(','));
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function accept(file: File | undefined | null) {
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if (!file) return;
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if (!acceptedMimes.has(file.type)) {
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onError?.(
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`Неподдерживаемый формат файла (${file.type || 'неизвестный'}). Поддерживаются PNG, JPEG, WebP, GIF и BMP.`
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);
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return;
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}
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onFile(file);
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}
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function openPicker() {
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input?.click();
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}
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</script>
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<div
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class="dropzone"
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class:dragging
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role="button"
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tabindex="0"
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aria-label={label}
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onclick={openPicker}
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onkeydown={(e) => {
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if (e.key === 'Enter' || e.key === ' ') {
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e.preventDefault();
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openPicker();
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}
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}}
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ondragover={(e) => {
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e.preventDefault();
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dragging = true;
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}}
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ondragleave={() => (dragging = false)}
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ondrop={(e) => {
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e.preventDefault();
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dragging = false;
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accept(e.dataTransfer?.files[0]);
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}}
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>
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<span aria-hidden="true" class="icon">⬇</span>
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{label}
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</div>
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<input
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bind:this={input}
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type="file"
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accept={ACCEPTED_IMAGE_TYPES}
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hidden
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onchange={() => {
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accept(input?.files?.[0]);
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if (input) {
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input.value = '';
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}
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}}
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/>
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<style>
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.dropzone {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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gap: var(--space-2);
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min-height: 14rem;
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padding: var(--space-4);
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border: 2px dashed var(--border);
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border-radius: var(--radius-m);
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background: var(--surface);
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color: var(--text-muted);
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text-align: center;
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cursor: pointer;
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user-select: none;
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transition:
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border-color 120ms ease,
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background 120ms ease;
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}
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.dropzone:hover,
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.dropzone:focus-visible,
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.dragging {
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border-color: var(--accent);
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background: color-mix(in srgb, var(--accent) 6%, var(--surface));
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}
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.icon {
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font-size: 1.8rem;
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line-height: 1;
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}
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</style>
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